[43.14] Observations of Galaxies with the Spatial Infrared Imaging Telescope on the Midcourse Space Experiment (MSX)

We present results from observations of eight nearby
galaxies with the Spatial Infrared Imaging Telescope (SPIRIT
III) on the Midcourse Space Experiment (MSX) satellite. The
galaxies observed were M 31, NGC 253, M 33, NGC 4631, NGC
4945, NGC 5055, M 83, and M 101. Each was imaged in the four
primary MSX bands, 8.3 (band A), 12.1 (C), 14.7 (D), and
21.3 (E) \mum, at 18\arcsec\ resolution. Some of the
galaxies show interesting structure in band A not previously
detected in the lower-resolution data from the Infrared
Astronomical Satellite (IRAS). We compare these data with
more recent observations with the Infrared Space
Observatory, which observed portions of several of our MSX
galaxies. Several infrared point sources without
counterparts in the Simbad database, probably field stars,
were also found at 8.3 \mum near a few of the galaxies (1
near M 101, 5+ near M 83, 5+ near NGC 4945, 6+ near M 31),
not to mention infrared detections of a multitude of
previously known objects.